Enterics and review stuff Flashcards Preview

Med Triple I > Enterics and review stuff > Flashcards

Flashcards in Enterics and review stuff Deck (30)
Loading flashcards...
1
Q

Enterobacteriaceae family

A

Gram negative bacilli, gut loving. Usually aerobic. Lots of them (don’t memorize)

2
Q

Coliforms

A

ferment lactose, groups: Enterobacter, escherischia, klebsiella

3
Q

Non-coliforms

A

non lactose fermenting. Sometimes normal (sometimes not): morganella, edwardsiella, proteus

4
Q

Pathogenic non coliforms

A

Never good to find. Salmonella, shigella, yersinia

5
Q

Culturing enterics

A

McKonkie Agar that differentiates b/w lactose fermentors and non

6
Q

E coli and names

A

O (LPS antigen) and H (flagella antigen), ex. E coli O157:H7. The is K too for capsular (less common)

7
Q

Klebsiella pathogenesis to cuase UTI

A

escape from gut into urinary tract, adhere via pili, avoid phagocytosis, cause tissue damage, get into bloodstream

8
Q

Aspiration pneumonia and enterics?

A

Typically in large bowel, but in alcoholics they move up to the stomach, can get into lungs

9
Q

Tx for UTI

A

TMXSMX, 1st gen cephalosporin, penicillins (increasing resistance to these)

10
Q

HENPEK

A

H influenzae, enteric gram negs, neisseria, proteus, e coli, klebsiella

11
Q

Tx for enteric gram neg

A

Ciprofloxacin, TMP SMX, aminoglycosides, carbapenems

12
Q

Capsule bacteria

A

Neisseria, H influenza, S pneumonia

13
Q

Bacteriocidal drugs would be used most for…

A

bloodborne infections that are serious.

14
Q

Granuloma formation

A

Activated macrophages unsuccessful; T cell response recruits TH1, TNFa release, T cells and macrophages wall off area.

15
Q

3 airborne diseases

A

TB, measles, chickenpox

16
Q

Eosinophilia

A

Parasites, allergies, connective issues, cancer

17
Q

Measles rundown

A

Resp droplet and airborne, replication in lymph nodes, viremia, activates cell mediated immunity - Infected endothelial cells = Koplick’s spots; infected epithelial cells = rash (low Vit A or low T cell = no rash, but can cause pneumonia and death)

18
Q

Measles and Rubella - rash progression

A

Measles: Like dumping paint on your head. Starts at head, come together, then moves down. Rubella: starts in trunk and face, then to peripheries

19
Q

B-19 review

A

Slapped cheek look. Can infect RBC and cause aplastic crisis… In adults causes lacey rash

20
Q

What causes fever, then feel better, than rash?

A

HSV 6,7. Variola??

21
Q

Vesicular rash

A

VZV and Coxsackie

22
Q

VZV

A

Chicken pox/shingles

23
Q

Coxsackie virus

A

Hand foot and mouth blisters

24
Q

Tineas

A

Like keratin/lipids. Always on surfaces. Tx: topical agents.

25
Q

RSV common presentation

A

common in young children, barking cough

26
Q

Pathogenesis of H influenzae

A

Droplet or contact; adhesion via pili or LOS, local replication in nasopharynx; Yes capsule: invade bloodstream, can seed distantly and resists phagocytosis; No capsule: spread on mucous, middle ear, sinus, LRT; Both: LOS causes inflammation and tissue necrosis

27
Q

Top drugs to cover S aureus

A

Cloxacillin or ampicillin+clavulanate; vancomycin for MRSA

28
Q

Top drugs to cover S pyogenes

A

PENICILLIN; Amoxicillin; Pen + clinda (for nec fasc/toxic shock)

29
Q

Bat bite

A

Clean the wound, rabies vaccine, rabies Ig

30
Q

What causes grey teeth?

A

Tetracycline! Don’t use in pregnancy or young kids